Septseptseptium

Septseptseptium (Sss)

Septseptseptium is the systematic name of the theoretical ৭৭৭th element in the periodic table with a symbol of Sss and atomic number of 777. Septseptseptium, also known as element 777, has seven hundred seventy-seven protons in its nucleus, and seven hundred seventy-seven electrons in its shells.
পারমাণবিক সংখ্যা777
মৌলের প্রতীকSss
প্রোটন777
ইলেকট্রন777